en_tn_lite_do_not_use/mat/17/27.md

But so that we do not cause the tax collectors to stumble, go

Alternate translation: "so that we do not cause the tax collectors to think that we do something that is very bad" or 2) Jesus was concerned that the tax collectors might think that he was a sinner and so could not be the Messiah.

throw in a hook

Fishermen tied hooks to the end of a line, then threw it in the water to catch fish.

a shekel

a silver coin worth four days' wages

for me and you

Here "you" is singular and refers to Peter. Each man had to pay a half shekel tax. So one shekel would be enough for Jesus and Peter to pay their taxes.